/* 
 * Copyright 2008 Rodrigo Reyes <reyes.rr at gmail dot com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you
 * may not use this file except in compliance with the License. You may
 * obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * permissions and limitations under the License.
**/
package net.kornr.canvaschart.client.xy;

import java.util.Iterator;

import net.kornr.abstractcanvas.client.ICanvasExt;
import net.kornr.canvaschart.client.core.AnimationSupport;

import com.google.gwt.animation.client.Animation;


public class AnimatedXYPlotter extends DefaultXYPlotter 
{
	private boolean m_animationStarted = false;
	private PlotAnim m_animation;
	
	public class PlotAnim extends Animation
	{
		double m_progress;
		
		protected void onUpdate(double progress) 
		{
			m_progress = progress;
			for (Iterator<XYRenderer> i = m_rendererseq.iterator(); i.hasNext(); )
			{
				XYRenderer rend = i.next();
				if (rend instanceof AnimationSupport)
				{
					((AnimationSupport)rend).setStep(progress);
				}
			}

			plot();
		}
	}
	
	public AnimatedXYPlotter(ICanvasExt canvas)
	{
		super(canvas);
	}

	@Override
	public void plot() 
	{
		if (m_animationStarted == false)
		{
			m_animationStarted = true;
			m_animation = new PlotAnim();
			m_animation.run(1000);			
		}
		else
		{
			super.plot();
		}
	}
	
	
	
}
